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Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1568555776

Certificate GIA 1568555776

Diamond specifications and retailer prices

From $7,124 AUD
As of November 5, 2026
Save $7,146 AUD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,270 AUD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568555776. Listed at 14 retailers as of November 4, 2026, with prices from $7,124 to $14,270, a $7,146 spread on the same certified stone. Wholesale Diamonds Direct lists it at $14,270. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36.86°
OriginNatural
Grading LabGIA
CertificateGIA 1568555776
Dimensions11.80 × 5.49 × 3.18 mm
L/W Ratio2.15
Culet sizeNone
Top View
11.80 mm5.49 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568555776
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 36.86°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,159 AUD|Low: $7,114 AUD|High: $14,270 AUD|Avg: $9,859 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$7,124 AUD
Retailer 9$7,871 AUD
Retailer 12$8,087 AUD
Retailer 2$8,330 AUD
Retailer 10$8,378 AUD
Retailer 13$8,414 AUD
Retailer 5$8,520 AUD
Retailer 7$8,894 AUD
Retailer 4$9,922 AUD
Retailer 3$9,975 AUD
Retailer 6$9,982 AUD
Retailer 1$11,159 AUD
Retailer 11$13,565 AUD
Wholesale Diamonds Direct$14,270 AUD

23 data points across 14 retailers

14 retailers$7,124 AUD to $14,270 AUD

B+
Cheapest Retailer
-
$7,124 AUD
B+
Retailer 2
-
$7,871 AUD
View
B+
Retailer 3
-
$8,087 AUD
View
B+
Retailer 4
-
$8,330 AUD
View
B+
Retailer 5
-
$8,378 AUD
View
B+
Retailer 6
-
$8,414 AUD
View
B+
Retailer 7
-
$8,520 AUD
View
B+
Retailer 8
-
$8,894 AUD
View
B
Retailer 9
-
$9,922 AUD
View
B
Retailer 10
-
$9,975 AUD
View
B
Retailer 11
-
$9,982 AUD
View
B
Retailer 12
-
$11,159 AUD
View
B
Retailer 13
-
$13,565 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
545945760 · Nov 4
$14,270 AUD
$9,990 USD
View
13 more retailers have this diamond
Prices start from $7,124 AUDSave up to $7,146 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.20ct Marquise
$7,124 AUD